Clean as a breeze
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Clean as a BREEZE. Fossil fuels pollute the air and heat the planet. You say you want a revolution? You will find it in the sun and the wind. 20 th Century. Horse-drawn carriages  automobiles. Fossil fuel offered great amounts of energy in an easily portable and storable form.

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Clean as a BREEZE

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Clean as a breeze

Clean as a BREEZE

Fossil fuels pollute the air and heat the planet. You say you want a revolution? You will find it in the sun and the wind.


20 th century

20th Century

  • Horse-drawn carriages automobiles.

  • Fossil fuel offered great amounts of energy in an easily portable and storable form.

  • Fossil fuels = conventional energy sources.

  • Petroleum in industry:

    • chemical precursor to plastics.

    • fuel for the automobile and airplane.


However

However…

  • Smog and other forms of air pollution, global warming, climate change, and an accelerating depletion of natural resources.

  • Long-term impact on the environment.


21 st century

21st century

  • Fossil fuels scarce and more expensive.

  • More demand.

  • Running out of oil, SOON!

  • Synthetic materials, advanced electronics, and biotechnology efficiently and cleanly provide energy.


Here comes the sun

Here comes the SUN!


Solar cells

Solar Cells

  • Far more expensive than conventional generators.

  • Least expensive source of power, not connected to an electric grid.


Clean as a breeze

  • Japan

    • dwelling with silicon roof tiles, supported by government.

  • Switzerland and Germany

    • office with them integrated into the glass, allowing windows to produce power while transmitting filtered sunlight.

  • European analysts

    • covering flat roof space of building with solar cells could provide half of three quarters.


Blowing in the wind

Blowing in the WIND


Wind power

Wind-power

  • Modern with tough fiber-glass blades and electronic controls.

  • Cost is comparable to fossil-fuel power and still falling.

  • Thousands have been installed in Europe. Denmark 6% of its electricity from wind power.

  • India and China  installing.


Windmill

Windmill

  • Currents of air to put out strong currents of electricity.

  • Energizing without hurting environment.


Fuel cell

Fuel Cell

  • Cleanly and quietly combine with hydrogen and oxygen to produce electricity.

  • Waste = WATER.

  • Use in shuttle fleet

  • Could replace the internal combustion engines that power vehicles.


Toshiba develops mp3 player with 60 hour fuel cell battery

Toshiba develops MP3 player with 60 hour fuel cell battery.


Clean energy

Clean Energy

  • Use of clean power is growing much faster.

  • An energy revolution would offer huge business opportunities.

  • Renewable energy never runs out.

  • Sunlight contains 6,000 times as much energy as is used by all countries combined.


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